On the 2.4 GHz spectrum, just above the noise floor of a dead smart-fridge network, was a repeating signal. Not a WiFi beacon. Something older. A raw, unencrypted UDP stream carrying GPS coordinates and short text strings.
He didn't sleep. He wrote a firewall rule. He enabled killer mode on the 2.4 GHz radio, turning Cassandra into a packet-injection cannon aimed at the intruder's signal. The intruder went silent. D-link Dsl-2750u Openwrt
The router, once a dumb pipe, was now a scalpel. On the 2
RECEIVED. ROUTER CALLSIGN CASSANDRA. RELAYING. NEED CONFIRMATION. On the 2.4 GHz spectrum